#ifndef Py_MYSELECT_H#define Py_MYSELECT_H#ifdef __cplusplusextern"C"{#endif/***********************************************************Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,The Netherlands. All Rights ReservedPermission to use, copy, modify, and distribute this software and itsdocumentation for any purpose and without fee is hereby granted,provided that the above copyright notice appear in all copies and thatboth that copyright notice and this permission notice appear insupporting documentation, and that the names of Stichting MathematischCentrum or CWI or Corporation for National Research Initiatives orCNRI not be used in advertising or publicity pertaining todistribution of the software without specific, written priorpermission.While CWI is the initial source for this software, a modified versionis made available by the Corporation for National Research Initiatives(CNRI) at the Internet address ftp://ftp.python.org.STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITHREGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OFMERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCHCENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIALDAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA ORPROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHERTORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE ORPERFORMANCE OF THIS SOFTWARE.******************************************************************//* Include file for users of select() *//* NB caller must include <sys/types.h> */#ifdef HAVE_SYS_SELECT_H#include <sys/select.h>#ifdef SYS_SELECT_WITH_SYS_TIME#include "mytime.h"#else /* !SYS_SELECT_WITH_SYS_TIME */#include <time.h>#endif /* !SYS_SELECT_WITH_SYS_TIME */#else /* !HAVE_SYS_SELECT_H */#ifdef USE_GUSI/* If we don't have sys/select the definition may be in unistd.h */#include <GUSI.h>#endif#include "mytime.h"#endif /* !HAVE_SYS_SELECT_H *//* If the fd manipulation macros aren't defined, here is a set that should do the job */#ifndef FD_SETSIZE#define FD_SETSIZE 256#endif#ifndef FD_SETtypedeflongfd_mask;#define NFDBITS (sizeof(fd_mask) * NBBY) /* bits per mask */#ifndef howmany#define howmany(x, y) (((x)+((y)-1))/(y))#endif /* howmany */typedefstructfd_set{fd_maskfds_bits[howmany(FD_SETSIZE,NFDBITS)];}fd_set;#define FD_SET(n, p) ((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS)))#define FD_CLR(n, p) ((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS)))#define FD_ISSET(n, p) ((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS)))#define FD_ZERO(p) memset((char *)(p), '\0', sizeof(*(p)))#endif /* FD_SET */#ifdef __cplusplus}#endif#endif /* !Py_MYSELECT_H */